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perf(document): EAGER→LAZY migration with @EntityGraph + @BatchSize (#467) #622

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marcel merged 19 commits from worktree-feat+issue-467-lazy-fetch-entity-graph into main 2026-05-19 09:23:32 +02:00
Conversation 44 Commits 19 Files Changed 9 +28 -4
2 changed files with 28 additions and 4 deletions
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Showing only changes of commit b88573c432 - Show all commits

20
backend/src/main/java/org/raddatz/familienarchiv/document/Document.java
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@@ -2,6 +2,7 @@ package org.raddatz.familienarchiv.document;
import jakarta.persistence.*;
import lombok.*;
import org.hibernate.annotations.BatchSize;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;
@@ -21,6 +22,15 @@ import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
@NamedEntityGraph(name = "Document.full", attributeNodes = {
@NamedAttributeNode("sender"),
@NamedAttributeNode("receivers"),
@NamedAttributeNode("tags")
})
@NamedEntityGraph(name = "Document.list", attributeNodes = {
@NamedAttributeNode("sender"),
@NamedAttributeNode("tags")
})
@Entity
@Table(name = "documents")
@Data // Lombok: Generiert Getter, Setter, ToString, etc.
@@ -118,21 +128,23 @@ public class Document {
@Builder.Default
private ScriptType scriptType = ScriptType.UNKNOWN;
@ManyToMany(fetch = FetchType.EAGER)
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "document_receivers", joinColumns = @JoinColumn(name = "document_id"), inverseJoinColumns = @JoinColumn(name = "person_id"))
@BatchSize(size = 50)
@Builder.Default
private Set<Person> receivers = new HashSet<>();
@ManyToOne
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "sender_id")
private Person sender;
@ManyToMany(fetch = FetchType.EAGER)
@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(name = "document_tags", joinColumns = @JoinColumn(name = "document_id"), inverseJoinColumns = @JoinColumn(name = "tag_id"))
@BatchSize(size = 50)
@Builder.Default
private Set<Tag> tags = new HashSet<>();
@ElementCollection(fetch = FetchType.EAGER)
@ElementCollection(fetch = FetchType.LAZY)
@CollectionTable(name = "document_training_labels", joinColumns = @JoinColumn(name = "document_id"))
@Column(name = "label")
@Enumerated(EnumType.STRING)

12
backend/src/main/java/org/raddatz/familienarchiv/document/DocumentRepository.java
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@@ -7,6 +7,8 @@ import org.raddatz.familienarchiv.document.DocumentStatus;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.data.jpa.repository.EntityGraph;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Query;
@@ -23,6 +25,16 @@ import java.util.UUID;
@Repository
public interface DocumentRepository extends JpaRepository<Document, UUID>, JpaSpecificationExecutor<Document> {
@EntityGraph("Document.full")
Optional<Document> findById(UUID id);
@EntityGraph("Document.list")
Page<Document> findAll(Specification<Document> spec, Pageable pageable);
@EntityGraph("Document.list")
List<Document> findAll(Specification<Document> spec);
// Findet ein Dokument anhand des ursprünglichen Dateinamens
// Wichtig für den Abgleich beim Excel-Import & Datei-Upload
Optional<Document> findByOriginalFilename(String originalFilename);